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101312102420 = 2257128312107
BaseRepresentation
bin101111001011010101…
…1000000000000010100
3100200111121121001101122
41132112223000000110
53124441344234140
6114313033543112
710214415442664
oct1362653000024
9320447531348
10101312102420
1139a6a04a071
1217775274a98
1397275c41c9
144c914121a4
15297e51aab5
hex1796ac0014

101312102420 has 72 divisors (see below), whose sum is σ = 218412143712. Its totient is φ = 39469433920.

The previous prime is 101312102413. The next prime is 101312102443. The reversal of 101312102420 is 24201213101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8362007 + ... + 8374113.

It is an arithmetic number, because the mean of its divisors is an integer number (3033501996).

Almost surely, 2101312102420 is an apocalyptic number.

101312102420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101312102420 is an abundant number, since it is smaller than the sum of its proper divisors (117100041292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101312102420 is a wasteful number, since it uses less digits than its factorization.

101312102420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12341 (or 12268 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 101312102420 its reverse (24201213101), we get a palindrome (125513315521).

The spelling of 101312102420 in words is "one hundred one billion, three hundred twelve million, one hundred two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 71 83 142 166 284 332 355 415 710 830 1420 1660 5041 5893 10082 11786 12107 20164 23572 24214 25205 29465 48428 50410 58930 60535 100820 117860 121070 242140 418403 836806 859597 1004881 1673612 1719194 2009762 2092015 3438388 4019524 4184030 4297985 5024405 8368060 8595970 10048810 17191940 20097620 61031387 71346551 122062774 142693102 244125548 285386204 305156935 356732755 610313870 713465510 1220627740 1426931020 5065605121 10131210242 20262420484 25328025605 50656051210 101312102420